389edo: Difference between revisions
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== Theory == | == Theory == | ||
{{Primes in edo|389}} | {{Primes in edo|389|columns=13}} | ||
The best subgroup for 389edo is 7.17.31.41. | |||
=== Relation to a calendar reform === | === Relation to a calendar reform === | ||
389edo represents the '''north solstice''' (summer in the northern hemisphere) '''leap year cycle 69/389''' as devised by Sym454 inventor Irvin Bromberg. | 389edo represents the '''north solstice''' (summer in the northern hemisphere) '''leap year cycle 69/389''' as devised by Sym454 inventor Irvin Bromberg. | ||